CN109407206A - Fiber array - Google Patents
Fiber array Download PDFInfo
- Publication number
- CN109407206A CN109407206A CN201811238274.9A CN201811238274A CN109407206A CN 109407206 A CN109407206 A CN 109407206A CN 201811238274 A CN201811238274 A CN 201811238274A CN 109407206 A CN109407206 A CN 109407206A
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- Prior art keywords
- fiber
- groove
- fiber array
- optical fiber
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- 239000000835 fiber Substances 0.000 title claims abstract description 88
- 239000013307 optical fiber Substances 0.000 claims abstract description 45
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000009826 distribution Methods 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000003491 array Methods 0.000 abstract description 4
- 230000009897 systematic effect Effects 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
- G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
- G02B6/08—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images with fibre bundle in form of plate
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/3628—Mechanical coupling means for mounting fibres to supporting carriers
- G02B6/3664—2D cross sectional arrangements of the fibres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
- G02B6/356—Switching arrangements, i.e. number of input/output ports and interconnection types in an optical cross-connect device, e.g. routing and switching aspects of interconnecting different paths propagating different wavelengths to (re)configure the various input and output links
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The embodiment of the invention provides a kind of fiber arrays, pass through the fixed preset quantity root optical fiber of substrate and cover board for being provided with V-groove, and distribution of the fibre core of preset quantity root optical fiber on the port cross-sectional of fiber array is made to meet pre-programmed curve, make to transmit through fiber array and the light beam exported does not transmit in the same plane, and meet the status requirement on pre-programmed curve, and then meet novel WSS systematic difference demand, it can be widely applied to the scene that novel WSS system and other light-beam positions have particular/special requirement.
Description
Technical field
The present embodiments relate to optical fiber transmission technique fields, more particularly, to fiber array.
Background technique
Currently, with the fast development of the communication technology and the swift and violent growth of practical application, high-capacity optical fiber communication system
Research has very big application value.As the demand that long range information is transmitted becomes larger, optical fiber using more and more extensive, wherein
The use demand of fiber array is also increasing.Multifiber is installed on substrate by fiber array using V-groove, and in optical fiber
On be stamped cover board realize fix.
Fiber array is widely used in optical device, uses the optical branching-device chip and fiber array in different channels
Produce the optical splitter of the different branching ratios such as corresponding 1:4,1:8,1:16,1:32.For optical transport network equipment, move
State reconstructable OADM (Reconfigurable Optical Add/Drop Multiplexer, ROADM) technology makes
With can neatly expand network capacity and reduce operation cost.Wavelength-selective switches (Wavelength Selective
Switch, WSS) it is the choice of technology that current RODAM technology is realized.For 1 × N WSS, 1 refers to public port
(i.e. COM port), N refers to branch port.When one group of wavelength-division multiplex (Wavelength Division Multiplexing,
WDM when) signal enters from COM port, this group of WDM signal is separated according to optical wavelength, then according to system requirements, each wavelength via
WSS is routed to a branch port in N number of branch port respectively.On the contrary, WSS can also using N number of branch port as
Input, using public port as output, to carry out conjunction beam.
It is transmitting beam in the same plane when traditional fiber array transmitting beam, and in new WSS system, by
In the use of crystal, distribution of the light beam for making input on cross section is needed to meet certain curve form, that is, the light inputted
Beam does not transmit in the same plane, but traditional fiber array can not export the distribution on cross section and meet certain curve
The light beam of form, and then can not be as the input of WSS system.
Therefore, now it is badly in need of providing a kind of fiber array that can be exported distribution and meet the light beam of certain curve form.
Summary of the invention
In order to overcome the problems referred above or it at least is partially solved the above problem, the embodiment of the invention provides a kind of optical fiber arrays
Column.
The embodiment of the invention provides a kind of fiber arrays, comprising: the optical fiber of substrate, cover board and preset quantity；
It is provided with the first kind V-groove of the preset quantity on the substrate, is provided on the cover board and each first
The matched second class V-groove of class V-groove, every optical fiber passes through a first kind V-groove respectively and matched second class V-groove is solid
It is fixed；
Distribution of the fibre core of the optical fiber of the preset quantity on the port cross-sectional of the fiber array meets pre-programmed curve.
A kind of fiber array provided in an embodiment of the present invention, it is fixed default by the substrate and cover board that are provided with V-groove
Quantity root optical fiber, and distribution of the fibre core of preset quantity root optical fiber on the port cross-sectional of fiber array is made to meet pre-programmed curve,
Make to transmit through fiber array and the light beam exported does not transmit in the same plane, and the position met on pre-programmed curve is wanted
It asks, and then meets novel WSS systematic difference demand, can be widely applied to novel WSS system and other light beam positions
It is equipped with the scene of particular/special requirement.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of fiber array provided in an embodiment of the present invention；
Fig. 2 is a kind of complete structure schematic diagram of fiber array provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
In the description of the embodiment of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of the description embodiment of the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the embodiment of the present invention.In addition,
Term " first ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the embodiment of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in embodiments of the present invention.
Since fiber array is usually applied in optical device, such as applied in WSS system, and in novel WSS system
Due to needing optical crystal realization to handle the light beam of input, the incoming position tool of the light beam of input there are certain requirements.
And it is merely capable of transmitting light beam in the same plane, nothing in the prior art in the fiber array that the input terminal of WSS system uses
Method meets the requirement of novel WSS system.Therefore, a kind of novel fiber array is provided in the embodiment of the present invention, makes to transmit
Light beam there is specific position distribution, and then meet the requirement in WSS system to incoming position.It should be noted that due to
Light path principle, the fiber array provided in the embodiment of the present invention can be used for the output position of WSS system.In addition, this
The application scenarios of the fiber array provided in the embodiment of the present invention are only provided by taking WSS system as an example in inventive embodiments, and for
Other have the scene of particular/special requirement to incident or outgoing light-beam position, can be using the optical fiber provided in the embodiment of the present invention
Array.
As shown in Figure 1, the embodiment of the invention provides a kind of fiber arrays, comprising: substrate 12, cover board 11 and preset quantity
Optical fiber 13.
It is provided with the first kind V-groove 121 of preset quantity on substrate 12, is provided on cover board 11 and each first kind V-type
The matched second class V-groove 111 of slot 121, every optical fiber 13 pass through a first kind V-groove 111 and matched second class V-type respectively
Slot 121 is fixed；
Distribution of the fibre core of the optical fiber 13 of the preset quantity on the port cross-sectional of fiber array meets pre-programmed curve.
Specifically, it being only illustrated for including 9 optical fiber in fiber array in Fig. 1, i.e., preset quantity is 9, but this
It is not limited to this in inventive embodiments.It is provided with 9 first kind V-grooves 121 on substrate 12, is provided with 9 second on cover board 11
Class V-groove 111, first kind V-groove 121 are corresponded and are matched with the second class V-groove 111, each 121 He of first kind V-groove
The second matching class V-groove 111 is used to fix an optical fiber.It should be noted that each first kind V-groove and
The the second class V-groove matched is in contact with internal optical fiber setting, and first kind V-groove, matched second class V-groove and interior
It is filled by ultraviolet glue solidification glue in gap between the optical fiber in portion.First kind V-groove and the second class V-groove can pass through quarter
The mode of erosion is respectively set on the substrate 12 and on cover board 11.
Distribution of the fibre core of the optical fiber 13 of preset quantity on the port cross-sectional of fiber array meets pre-programmed curve, such as Fig. 1
In dotted line shown in, the fibre core of 9 optical fiber is on pre-programmed curve.It should be noted that the concrete form of pre-programmed curve can be with
It is configured as needed, is specifically as follows Gaussian function curve, or meet the curve of other functional forms, the embodiment of the present invention
In be specifically limited not to this.
A kind of fiber array provided in the embodiment of the present invention, it is fixed pre- by the substrate and cover board that are provided with V-groove
If quantity root optical fiber, and distribution of the fibre core of preset quantity root optical fiber on the port cross-sectional of fiber array is made to meet default song
Line, makes to transmit through fiber array and the light beam exported does not transmit in the same plane, and meets the position on pre-programmed curve
It is required that and then meet novel WSS systematic difference demand, can be widely applied to novel WSS system and other light beams
There is the scene of particular/special requirement in position.
On the basis of the above embodiments, a kind of fiber array, the pre-programmed curve are additionally provided in the embodiment of the present invention
Specially Gaussian function curve.Wherein, the formula form of Gaussian function is specific as follows:
Wherein, a, b and c are constant, and a > 0 and c ≠ 0.
On the basis of the above embodiments, a kind of fiber array is additionally provided in the embodiment of the present invention, wherein each first
The position and depth of class V-groove and matched second class V-groove are determined by the pre-programmed curve.
Specifically, the distribution due to the fibre core of preset quantity root optical fiber to be made on the port cross-sectional of fiber array meets pre-
If curve, then need to determine position and the depth of first kind V-groove and matched second class V-groove according to the form of pre-programmed curve
Degree needs to guarantee in the process optical fiber and first kind V-groove inside first kind V-groove and matched second class V-groove
The cell wall of cell wall and matched second class V-groove contacts, with guarantee optical fiber can be firmly fixed to first kind V-groove and
In matched second class V-groove.
On the basis of the above embodiments, a kind of fiber array is additionally provided in the embodiment of the present invention, wherein preset quantity
Optical fiber in spacing between every two adjacent optical fiber be pre-determined distance.
Specifically, the embodiment of the present invention is the normalization for guaranteeing fiber array and the homogenizer point of transmission and output
Cloth, the spacing between every two adjacent optical fiber is identical, and is pre-determined distance.Wherein, between every two adjacent optical fiber
Spacing refers to the distance between the fibre core of two optical fiber.Pre-determined distance can be configured as needed, such as specifically can will be pre-
If distance is set greater than or is equal to 125 μm.When pre-determined distance is set as 125 μm, then between every two adjacent optical fiber
When spacing is 125 μm, every two adjacent optical fiber is in contact；When pre-determined distance is set greater than 125 μm, every two adjacent
There are gaps between optical fiber surface.
It should be noted that guarantee that the fiber array provided in the embodiment of the present invention has extensive use scope, also
It can according to need identical, the Huo Zhejun that is set as part of the spacing in the optical fiber by preset quantity between every two adjacent optical fiber
It is not identical, this is not especially limited in the embodiment of the present invention.
On the basis of the above embodiments, a kind of fiber array is additionally provided in the embodiment of the present invention, wherein each first
The opening angle of class V-groove and each second class V-groove is all the same.
Specifically, the first kind V-groove in the embodiment of the present invention on the substrate of fiber array and the second class V-type on cover board
The opening angle of slot, which can according to need, to be configured, and the opening angle of each V-groove can be identical or different, as long as can be
Distribution of the fibre core of the fixed optical fiber in inside on the port cross-sectional of fiber array meets pre-programmed curve.As preferred side
Case can set identical for the opening angle of each V-groove, to guarantee the convenient and efficient of etching, and be easily achieved.
On the basis of the above embodiments, a kind of fiber array, each first kind V-type are additionally provided in the embodiment of the present invention
Fiber segment inside slot and matched second class V-groove is the fiber segment of coat.Since fiber array is in transmitting beam,
In addition to there is remaining light beam in the covering of optical fiber, there is also a part to be leaked to light beam in covering from fibre core.If in covering
Light beam be not stripped but be either directly output, then will affect the quality of the light beam of output.Therefore, preferably, often
After fiber segment inside a first kind V-groove and matched second class V-groove can be removing coat and fibre cladding
Fiber segment, to prevent the generation of above-mentioned phenomenon.
On the basis of the above embodiments, a kind of fiber array, the fiber array are additionally provided in the embodiment of the present invention
Coupled end fiber end face and fiber axis between there is default oblique angle.
Specifically, more preferable when being used cooperatively with other optical devices as shown in Fig. 2, to guarantee that fiber array preferably uses
Carry out couple, prevent return loss, there is default oblique angle between the fiber end face 14 and fiber axis of the coupled end of fiber array,
Default oblique angle is all had between the end face and fiber axis of every optical fiber of fiber array coupled end.Preferably, it presets
The angle at oblique angle is specifically as follows 81.5 ° -82.5 °.
On the basis of the above embodiments, a kind of fiber array, the substrate and institute are additionally provided in the embodiment of the present invention
Stating cover board is that high-boron-silicon glass material is made.
Specifically, using high-boron-silicon glass material production substrate and cover board in the embodiment of the present invention, the light that can make
Fibre array has low thermal expansion, high temperature resistant, high intensity, high rigidity, high transparency and high chemical stability.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of fiber array characterized by comprising the optical fiber of substrate, cover board and preset quantity；
It is provided with the first kind V-groove of the preset quantity on the substrate, is provided on the cover board and each first kind V-type
The matched second class V-groove of slot, every optical fiber passes through a first kind V-groove respectively and matched second class V-groove is fixed；
Distribution of the fibre core of the optical fiber of the preset quantity on the port cross-sectional of the fiber array meets pre-programmed curve.
2. fiber array according to claim 1, which is characterized in that the pre-programmed curve is specially Gaussian function curve.
3. fiber array according to claim 1, which is characterized in that each first kind V-groove and matched second class V-type
The position of slot and depth are determined by the pre-programmed curve.
4. fiber array according to claim 1, which is characterized in that in the optical fiber of the preset quantity every two it is adjacent
Spacing between optical fiber is pre-determined distance.
5. fiber array according to claim 4, which is characterized in that the pre-determined distance is greater than or equal to 125 μm.
6. fiber array according to any one of claims 1-5, which is characterized in that each first kind V-groove and each
The opening angle of second class V-groove is all the same.
7. fiber array according to any one of claims 1-5, which is characterized in that each first kind V-groove and matching
The second class V-groove inside fiber segment be coat fiber segment.
8. fiber array according to any one of claims 1-5, which is characterized in that the coupled end of the fiber array
There is default oblique angle between fiber end face and fiber axis.
9. fiber array according to claim 8, which is characterized in that the angle at the default oblique angle is specially 81.5 °-
82.5°。
10. fiber array according to any one of claims 1-5, which is characterized in that the substrate and the cover board are equal
It is made of high-boron-silicon glass material.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811238274.9A CN109407206A (en) | 2018-10-23 | 2018-10-23 | Fiber array |
| US16/968,353 US11435521B2 (en) | 2018-10-23 | 2019-09-24 | Optical fiber array |
| JP2020565513A JP7171764B2 (en) | 2018-10-23 | 2019-09-24 | fiber optic array |
| PCT/CN2019/107492 WO2020082962A1 (en) | 2018-10-23 | 2019-09-24 | Optical fiber array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811238274.9A CN109407206A (en) | 2018-10-23 | 2018-10-23 | Fiber array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109407206A true CN109407206A (en) | 2019-03-01 |
Family
ID=65469001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811238274.9A Pending CN109407206A (en) | 2018-10-23 | 2018-10-23 | Fiber array |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11435521B2 (en) |
| JP (1) | JP7171764B2 (en) |
| CN (1) | CN109407206A (en) |
| WO (1) | WO2020082962A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020082962A1 (en) * | 2018-10-23 | 2020-04-30 | 武汉驿路通科技股份有限公司 | Optical fiber array |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114731208A (en) * | 2019-12-31 | 2022-07-08 | 华为技术有限公司 | Wavelength selective switch |
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2019
- 2019-09-24 WO PCT/CN2019/107492 patent/WO2020082962A1/en active Application Filing
- 2019-09-24 US US16/968,353 patent/US11435521B2/en active Active
- 2019-09-24 JP JP2020565513A patent/JP7171764B2/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020082962A1 (en) * | 2018-10-23 | 2020-04-30 | 武汉驿路通科技股份有限公司 | Optical fiber array |
| US11435521B2 (en) | 2018-10-23 | 2022-09-06 | Wuhan Yilut Technology Co., Ltd. | Optical fiber array |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7171764B2 (en) | 2022-11-15 |
| JP2021513689A (en) | 2021-05-27 |
| WO2020082962A1 (en) | 2020-04-30 |
| US20210088721A1 (en) | 2021-03-25 |
| US11435521B2 (en) | 2022-09-06 |
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